冠状动脉心肌桥的临床表现及超声特点The clinical significance and echocardiographic feature of myocardial bridging
李卫虹,张福春,高志刚,冯新恒,李昭屏,谢道银,毛节明
摘要(Abstract):
目的 探讨冠状动脉心肌桥的临床意义及超声特点。方法和结果 对 32 16例冠状动脉造影中检出的 4 7例心肌桥患者进行回顾性分析。其中合并冠状动脉粥样硬化者 13例 ,瓣膜病 1例 ,肥厚性心肌病 3例 ,孤立性心肌桥 30例。孤立性心肌桥者中约 4 0 %临床表现为心肌缺血。与非缺血组相比 ,心肌缺血组收缩期狭窄程度更重 [(6 7 6± 15 4 ) %vs (4 9 9± 2 1 8) % ],左室重量亦更大[(2 15 6± 4 2 2 )gvs (178 7± 5 1 0 )g],E A比小于 1,P值均 <0 0 5。结论 冠状动脉心肌桥可引起心肌缺血 ,临床表现的不同与收缩期狭窄程度、左室重量、左室舒张功能有关。
关键词(KeyWords): 心肌桥;冠状动脉造影;超声心动图
基金项目(Foundation):
作者(Author): 李卫虹,张福春,高志刚,冯新恒,李昭屏,谢道银,毛节明
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